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A Forward-Secure Signature with Backward-Secure Detection.

Dai-Rui Lin, Chih-I Wang

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Abstract

This paper enhances the security of Abdalla and Reyzin’s forwardsecure signature scheme with backward-secure detection. In the proposed scheme, we embeded the hash-chain into the forward-secure signature scheme. It achieves not only forward-secure but also backwardsecure for the digital signature. Keywords: Forward-Secure, Backward-Secure, Digital signatures, GQ signatures. 1

About this research paper

What this paper is about

This paper enhances the security of Abdalla and Reyzin’s forwardsecure signature scheme with backward-secure detection. In the proposed scheme, we embeded the hash-chain into the forward-secure signature scheme. It achieves not only forward-secure but also backwardsecure for the digital signature. Keywords: Forward-Secure, Backward-Secure, Digital signatures, GQ signatures. 1

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Method / approach

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Available abstract

This paper enhances the security of Abdalla and Reyzin’s forwardsecure signature scheme with backward-secure detection. In the proposed scheme, we embeded the hash-chain into the forward-secure signature scheme. It achieves not only forward-secure but also backwardsecure for the digital signature. Keywords: Forward-Secure, Backward-Secure, Digital signatures, GQ signatures. 1

Key concepts: Digital signature, Merkle signature scheme, Computer science, ElGamal signature scheme, Hash function, Signature (topology), Ring signature, Scheme (mathematics)

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